Melamine resin microcapsule lubricating oil and lubricating oil coating material, and preparation methods thereof

A technology of melamine resin and coating materials, which is applied in the direction of coatings and lubricating compositions, can solve the problems that the lubricating performance is not as good as that of lubricating oil, and does not involve the preparation process of solid lubricating coatings, so as to achieve improved physical properties and excellent stability and friction and wear properties, and the effect of maintaining lubrication

Inactive Publication Date: 2014-11-05
TAIZHOU JIADI NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the patent does not involve the specific preparation process of the solid lubricating coating, and the lubricating oil additive MoSe described in it 2 Nanosheets are necessarily inferior to lubricating oil in terms of lubricating properties

Method used

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  • Melamine resin microcapsule lubricating oil and lubricating oil coating material, and preparation methods thereof
  • Melamine resin microcapsule lubricating oil and lubricating oil coating material, and preparation methods thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Preparation of melamine resin prepolymer: Add 1 kg of melamine, 5 L of formaldehyde and glyoxal compound solution, and 10 L of deionized water into a three-necked flask, stir and mix; adjust the pH value to 8-9 with sodium hydroxide solution, and React at ℃ for 30 minutes; after the melamine is completely dissolved, a transparent melamine resin prepolymer is obtained, in which the molar percentage of the compound solution of formaldehyde and glyoxal is 8:1.

Embodiment 2

[0042] (1) Pretreatment of lubricating oil: Mix 0.025 kg of nickel-copper-zinc ferrite with 4.975 kg of 100# engine oil containing nano-silver sulfide, stir for 0.5 h at a speed of 1000 r / min with a powerful motor, and then ultrasonically Disperse evenly and reserve;

[0043] (2) Add 1 kg of polyvinyl alcohol and 1 kg of sodium dodecylbenzene sulfonate into a beaker, add deionized water, and after dissolving, add to the pretreated lubricating oil in step 1, stir and emulsify for 10 minutes to obtain emulsified Lubricating oil dispersion system;

[0044] (3) Divide the emulsified lubricating oil dispersion system into three times, with an interval of 1 minute between each time, slowly pour it into the melamine resin prepolymer of the same volume as in Example 1, stir at a speed of 500 r / min, and emulsify for 30 minutes;

[0045](4) Adjust the pH value of the product in step 3 to 2 with hydrochloric acid, and heat and react in a water bath at 65°C for 3 hours;

[0046] (5) Suc...

Embodiment 3

[0048] Disperse 20kg of melamine resin microcapsule lubricating oil and 68kg of epoxy silicone in 7kg of OP-10 in Example 2. After stirring evenly, add 6kg of talcum powder, 4kg of aluminum oxide and 0.5kg of antimony trioxide in sequence, and then After ultrasonic dispersion and ball mill dispersion, filter to obtain lubricating oil coating material.

[0049] After the obtained lubricating oil coating material was sprayed on the steel sheet, under the conditions of 240 N load, 180 rpm rotation speed, and 600s storage time, a small pin-on-disc friction and wear test was carried out on the steel sheet sprayed with the lubricating oil coating, and the measured The average friction coefficient and wear results are 0.014 and 0.015g, respectively, as figure 1 and 2 shown.

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Abstract

The invention discloses a melamine resin microcapsule lubricating oil and a lubricating oil coating material, and preparation methods thereof. The melamine resin microcapsule lubricating oil is prepared through the following steps: adding polyvinyl alcohol, sodium dodecyl benzene sulfonate and deionized water into a beaker, dissolving, then adding a lubricating oil, and stirring for emulsification; slowly pouring the emulsified lubricating oil into a melamine resin prepolymer in three times, controlling a stirring revolving speed, and emulsifying for 30 min, to obtain an emulsified lubricating oil; adjusting the pH value to 2-3 with hydrochloric acid, and carrying out a heating reaction for 3 hours in a 65 DEG C water bath; and carrying out suction filtration on the product, washing with water, drying for 24 h, and thus obtaining the melamine resin microcapsule lubricating oil. The invention also discloses the lubricating oil coating material prepared from the melamine resin microcapsule lubricating oil and the preparation method thereof. The coating material has the stability of solid lubricant materials, also has excellent lubricating performance of liquid oils, and can be widely applied in heavy-load and high-temperature mechanical friction parts required for aeronautics and astronautics, machinery, electronics, chemical industries, shipping and the like.

Description

technical field [0001] The invention belongs to the technical field of lubricating oil microcapsules, in particular to a melamine resin microcapsule lubricating oil, a lubricating oil coating material and a preparation method. Background technique [0002] Microcapsule technology refers to the technology of using film-forming materials to encapsulate solids, liquids or gases in them to form tiny containers with a diameter of tens of microns to thousands of microns. Microcapsule technology includes preparation technology and application technology, that is, using specific methods and equipment to wrap core materials of different shapes with wall materials to make microcapsules, and then apply the prepared microcapsules to various materials. The microcapsules are ruptured by means of pressure or radiation to release the core material, or the core material is directly diffused and released through the capsule wall to achieve the required performance. [0003] Microcapsule lubr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C09D7/12
Inventor 杨永杰章俊强张玉珍
Owner TAIZHOU JIADI NEW MATERIAL
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